diff --git a/toonz/sources/toonzqt/paletteviewergui.cpp b/toonz/sources/toonzqt/paletteviewergui.cpp
index 3976703..e4ee342 100644
--- a/toonz/sources/toonzqt/paletteviewergui.cpp
+++ b/toonz/sources/toonzqt/paletteviewergui.cpp
@@ -769,6 +769,14 @@ void PageViewer::paintEvent(QPaintEvent *e) {
       p.setBrush(Qt::white);
       p.drawRect(indexRect);
       p.drawText(indexRect, Qt::AlignCenter, QString().setNum(styleIndex));
+
+      //draw "Autopaint for lines" indicator
+      if (style->getFlags() != 0) {
+        QRect aflRect(chipRect.bottomLeft() + QPoint(0,-14), QSize(12,15));
+        p.drawRect(aflRect);
+        p.drawText(aflRect, Qt::AlignCenter, "A");
+      }
+
       // revert font set
       p.setFont(preFont);
       // revert brush